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JavaScript regex validate Mobile no.
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May 12, 2012 at 1:40 PM

<html>
<head>
<title>Mobile number validation using regex</title>
<script type="text/javascript">
    function validate() {
        var mobile = document.getElementById("mobile").value;
        var pattern = /^\d{10}$/;
        if (pattern.test(mobile)) {
            alert("Your mobile number : "+mobile);
            return true;
        } 
            alert("It is not valid mobile number.input 10 digits number!");
            return false;

    }
</script>

</head>
<body>
<h2>Validating mobile number..</h2>
Enter Mobile No. :
<input type="text" name="mobile" id="mobile" />
<input type="submit" value="Check" onclick="validate();" />
</body>
</html>

May 12, 2012 at 1:41 PM

The above example validate 10 digit (eg-9675647324) mobile number

by using regular expression- /^\d{10}$/;

Here /../(forward slashes) is used to quote your regular expression.

^ shows beginning of string.

\d{10} shows any digit 0-9 having 10 places.

$ is used for ending the string.

Test() method takes one argument and check that to the pattern.

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